Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

What is difference between hashset and hashmap in java?

1016

What is collection sort in java?

950

What is toarray method in java?

1105

What is class array in java?

1058

What should I import for arraylist in java?

1037

What are the types of collections in java?

1057

How does arrays sort work in java?

1009

What is ordered map in java?

1008

What is array sorting in java?

1060

What is pangram in java?

1012

What sorting algorithm does javascript use?

991

What is java util collection?

1089

Can we sort array in java?

951

Can you sort a list in java?

982

What is a priority queue java?

994

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Un-Answered Questions { Core Java }

Similarity and difference between static block and static method ?

919

What are the skills required for core java?

1017

How do you find the independent variable?

1055

What is :: operator in java 8?

1022

What is widening and narrowing in java? Discuss with an example.

1040

Do I need java on my computer?

981

Is java based on c?

993

What is struts in java?

1041

How can we access some class in another class in java?

993

What about anonymous inner classes in java?

1035

What are the types of casting?

1068

Does constructor be static?

1038

Can you make a constructor final?

1042

What is finally block?

1057

What is the common usage of serialization? What exceptions occur during serialization?

1125

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